LedgerSMB conked out for some reason?

[BeamEnds <..hidden..>]

Hi All,

I've just tried to log into LSMB and failed - the apache error log has
the stuff below - obviously something(s) have not been found - but is it
just one file or many, and how do I go about repairing it?

Cheers
Richard

[Sun Dec 30 11:01:08 2007] [notice] Apache/1.3.34 (Ubuntu)
PHP/4.4.2-1build1 configured -- resuming normal operations
[Sun Dec 30 11:01:08 2007] [notice] Accept mutex: sysvsem (Default:
sysvsem)
Can't locate LedgerSMB/Auth.pm in @INC (@INC
contains: /etc/perl /usr/local/lib/perl/5.8.7 /usr/local/share/perl/5.8.7 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.8 /usr/share/perl/5.8 /usr/local/lib/site_perl .) at LedgerSMB/User.pm line 59.
BEGIN failed--compilation aborted at LedgerSMB/User.pm line 59.
Compilation failed in require at bin/login.pl line 39.
BEGIN failed--compilation aborted at bin/login.pl line 39.
Compilation failed in require at /opt/ledgersmb/login.pl line 88.